diff options
Diffstat (limited to 'manual/stdio.texi')
| -rw-r--r-- | manual/stdio.texi | 8 |
1 files changed, 3 insertions, 5 deletions
diff --git a/manual/stdio.texi b/manual/stdio.texi index 0b31aeff95..393ed9c665 100644 --- a/manual/stdio.texi +++ b/manual/stdio.texi @@ -1467,11 +1467,9 @@ program; usually @code{ungetc} is used only to unread a character that was just read from the same stream. @Theglibc{} supports this even on files opened in binary mode, but other systems might not. -@Theglibc{} only supports one character of pushback---in other -words, it does not work to call @code{ungetc} twice without doing input -in between. Other systems might let you push back multiple characters; -then reading from the stream retrieves the characters in the reverse -order that they were pushed. +@Theglibc{} supports pushing back multiple characters; subsequently +reading from the stream retrieves the characters in the reverse order +that they were pushed. Pushing back characters doesn't alter the file; only the internal buffering for the stream is affected. If a file positioning function |